EP3764687A1 - Concept de gestion des ressources - Google Patents

Concept de gestion des ressources Download PDF

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Publication number
EP3764687A1
EP3764687A1 EP20177833.9A EP20177833A EP3764687A1 EP 3764687 A1 EP3764687 A1 EP 3764687A1 EP 20177833 A EP20177833 A EP 20177833A EP 3764687 A1 EP3764687 A1 EP 3764687A1
Authority
EP
European Patent Office
Prior art keywords
client
media
radio resource
resource manager
server
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20177833.9A
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German (de)
English (en)
Other versions
EP3764687B1 (fr
Inventor
Thomas Schierl
Thomas Wirth
Thomas Haustein
Yago SÁNCHEZ DE LA FUENTE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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Priority to EP21205615.4A priority Critical patent/EP3968691A1/fr
Publication of EP3764687A1 publication Critical patent/EP3764687A1/fr
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Publication of EP3764687B1 publication Critical patent/EP3764687B1/fr
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • H04W28/20—Negotiating bandwidth
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60—Network streaming of media packets
    • H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/10—Flow control between communication endpoints
    • H04W28/14—Flow control between communication endpoints using intermediate storage
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/18—Service support devices; Network management devices

Definitions

  • HTTP streaming is one of the promising multimedia applications that has emerged in the last years and has had an enormous acceptance by the market, which is evident by the standardization activities on adaptive HTTP streaming carried out by different standardization bodies, such as MPEG [3] and 3GPP [4] or proprietary solutions such as IIS Smooth Streaming [5] and HTTP Live Streaming [6].
  • the radio resource manager 30 is configured to inspect the media presentation description 46 describing the versions of the video content 44 of differing bandwidths within the data traffic from the server 42 to client 40 and takes the information provided by the media presentation description into account, along with the other input parameters, when assigning the communication resources of the base station 32 to the user entities among which the user entity 34 is.
  • the client 40 While the client 40 is free to react to this situation as it wishes or as the client wishes, one reasonable option of the client 40 would be that same sends a request to server 42, requesting a lower level version of the media content 44, i.e., a version associated with a lower necessary minimum transmission bandwidth than compared to the currently downloaded version of the media content 44.
  • the example may correspond to a specific profile of the DASH standard [3] as identified, for example, by the profile attribute.
  • the media presentation time is specified in 3256 seconds, the minimum buffer time in 1.2 seconds.
  • the URLs Uniform Resource Locator
  • the URLs of the segments of two representations are given where one representation requires 64 KB or 32 KB bandwidth and where the URL of the segments are created by concatenating one of the two alternative BaseURLs and the SegmentURLs included in the respective SegmentList elements of each representation.
  • the duration of the segments is given by the duration attribute in the SegmentList element.
  • the radio resource manager 30 is additionally, i.e., in addition to the functionality described above with respect to Fig. 3 , configured to inspect the media presentation description 46 describing the versions of the media content 44 of differing bandwidths, within the data traffic from the server 42 to client 40 operating at the user entity 34, as well as a media request 60 from the client 40 to the server 42, the media request 60 requesting a wanted version of the media content 44.
  • the media reproducer 76 may be a media decoder able to decode the media content 44 received from server 42.
  • Client 40 and media reproducer 76 may be coupled to each other and communicate to each other. The media reproducer may even be partially integrated within the client 40.
  • the RRM 30 of Fig. 3 and 6 could be configured to determine an average bandwidth assigned to the user entities and predict from the determined average bandwidth as to which version of a media content 44 out of the media presentation description 46, is currently downloaded by the respective clients such as 44. This forms a simple way to find out the client's state. For each client, RRM 30 merely has to identify the average bandwidth the respective client 40 is receiving, and to predict from that which media rate it may have selected.
  • a DASH client is logically divided into two components as shown in Fig. 10 : the DASH Access Client 40a and MPEG Media Engine 40b, as shown in Figure 7 .
  • the resource manager may be configured to inspect the media presentation description 46 so as to identify within the media presentation description 46 a version of a media content 44, which has a lower minimum bandwidth associated therewith as the wanted version of the media content 44, wherein the radio resource manager is configured to, if such a version having a lower minimum bandwidth associated therewith is present, perform the decision dependent on the current resource situation information.
  • the resource manager may be a radio resource manager and is further configured to perform an assignment of communication resources of a base station to user entities to which the user entity at which the client operates, belongs.
  • the radio resource manager 30 of Fig. 6 is, besides assigning the communication resources of base station 32 to the user entities 34, additionally configured to survey the data traffic between the clients 40 operating at the several user entities 34 and one or several servers 42 in order to check as to whether there are media presentation descriptions 46 within the data traffic which relate to a common media content. Depending on the check, the radio resource manager then decides to: (1) offer the clients 40 a multicast version of the common media content, besides unicast versions of the media content 44 or (2) cause a change of a protocol for clients 40 downloading the common media content 44 from a unicast protocol to a multicast protocol.
  • the transmission of a translated media presentation description derived from the actual media presentation description 46 by the resource manager 74 residing within the user entity 34 could be integrated into any existing radio resource network such as LTE by introducing a new type or sort of communication data to be exchanged between the user entity, respectively, and the base station such as the above mentioned "Adaptive Non-Conversational communication", and transmitting the translated MPD within the protocol process of the activation of this new communication data type, i.e. this dedicated bearer.
  • Fig. 15 shows this possible integration exemplarily in more detail.
  • LTE was exemplarily used as a representative of a radio resource network here, but in principle the description of Fig. 15 is readily transferable onto other radio resource networks.
  • Fig. 15 shows this possible integration exemplarily in more detail.
  • LTE was exemplarily used as a representative of a radio resource network here, but in principle the description of Fig. 15 is readily transferable onto other radio resource networks.
  • Fig. 15 shows consecutive steps performed in creating such an exemplary bearer, i.e. "Adaptive Non-Conversational communication", and transmitting a translated media presentation description to the radio resource manager 30.
  • Fig. 15 shows all these steps in their temporal order along time axis 110 by respective blocks and associated arrows outlined in more detail below, where these blocks and associated arrows are drawn in a horizontal direction, so as to extend over the respective entities involved in the respective step, namely the entities of the data traffic chain: user entity 40, base station 32, radio resource manager 30, mobility management entity 112, packet gateway 114, and media server 42.
  • the packet gateway 114 assumes responsibility for interfacing the radio resource network, to which entities 40, 32, 30 and 112 belong, to the outside, namely the internet or the like.
  • Possible integration of the radio resource manager 30 and the mobility management entity 112 into one unit is exemplarily illustrated by a dashed line 116, whereas the dotted line 118 indicates the possibility that radio resource manager 30 may be positioned within base station 32.
  • the independency of the scheduling is, however, broken through in accordance with the present embodiment in the sense that the RRMs also distribute information on their current radio resource distribution to its UEs, to outside for the use in the other RRMs.
  • the radio resource managers exploit information residing within media presentation descriptions if there are any.
  • the independently operating radio resource managers 30 disadvantageously assign unmatched communication resources to user entities which, by accident, have a communicating pair of client and server operating thereon. This is achieved as follows.
  • This QCI could be used for a dedicated "premium bearer" (e.g. associated with premium content) for any subscriber / subscriber group. Also in this case, the SDF aggregate's uplink / downlink packet filters are known at the point in time when the SDF aggregate is authorized. Alternatively, this QCI could be used for the default bearer of a UE/PDN for "premium subscribers”.
  • This QCI is typically used for the default bearer of a UE/PDN for non privileged subscribers. Note that AMBR can be used as a "tool" to provide subscriber differentiation between subscriber groups connected to the same PDN with the same QCI on the default bearer.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
EP20177833.9A 2011-10-21 2012-10-22 Concept de gestion des ressources Active EP3764687B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP21205615.4A EP3968691A1 (fr) 2011-10-21 2012-10-22 Concept de gestion des ressources

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161550126P 2011-10-21 2011-10-21
PCT/EP2012/070890 WO2013057315A2 (fr) 2011-10-21 2012-10-22 Concept de gestion de ressource
EP12783169.1A EP2769578B8 (fr) 2011-10-21 2012-10-22 Concept de gestion de ressource

Related Parent Applications (2)

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EP12783169.1A Division-Into EP2769578B8 (fr) 2011-10-21 2012-10-22 Concept de gestion de ressource
EP12783169.1A Division EP2769578B8 (fr) 2011-10-21 2012-10-22 Concept de gestion de ressource

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP21205615.4A Division EP3968691A1 (fr) 2011-10-21 2012-10-22 Concept de gestion des ressources

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EP3764687A1 true EP3764687A1 (fr) 2021-01-13
EP3764687B1 EP3764687B1 (fr) 2021-11-24

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EP12783169.1A Active EP2769578B8 (fr) 2011-10-21 2012-10-22 Concept de gestion de ressource
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Country Status (9)

Country Link
US (4) US9775163B2 (fr)
EP (3) EP3968691A1 (fr)
JP (5) JP5908984B2 (fr)
KR (4) KR101923486B1 (fr)
CN (4) CN104041111B (fr)
CA (2) CA3188669A1 (fr)
ES (1) ES2905831T3 (fr)
IN (1) IN2014KN00774A (fr)
WO (1) WO2013057315A2 (fr)

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